Audemars Piguet Royal Oak Concept, Audemars Piguet Royal Oak concept series, high-end watchmaking and jewelry craftsmanship coexist harmoniously, inlaid with brilliant-cut diamonds or step-cut diamonds, with a unique design of complex mechanisms, creating a visual effect like suspension. Hidden inlay technology makes the step-cut diamond Gypsophila watch more dazzling. It has a diameter of 42mm and is fully automatic.